DE69200482D1 - Process for treating a solution used to regenerate a denitration catalyst. - Google Patents

Process for treating a solution used to regenerate a denitration catalyst.

Info

Publication number
DE69200482D1
DE69200482D1 DE69200482T DE69200482T DE69200482D1 DE 69200482 D1 DE69200482 D1 DE 69200482D1 DE 69200482 T DE69200482 T DE 69200482T DE 69200482 T DE69200482 T DE 69200482T DE 69200482 D1 DE69200482 D1 DE 69200482D1
Authority
DE
Germany
Prior art keywords
regenerate
treating
solution used
denitration catalyst
denitration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69200482T
Other languages
German (de)
Other versions
DE69200482T2 (en
Inventor
Yoshiaki Obayashi
Kouzo Iida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of DE69200482D1 publication Critical patent/DE69200482D1/en
Application granted granted Critical
Publication of DE69200482T2 publication Critical patent/DE69200482T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
    • B01J38/62—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids organic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
DE1992600482 1991-02-15 1992-02-13 Process for treating a solution used to regenerate a denitration catalyst. Expired - Fee Related DE69200482T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3022044A JP2994769B2 (en) 1991-02-15 1991-02-15 Treatment method for the denitration catalyst regeneration liquid

Publications (2)

Publication Number Publication Date
DE69200482D1 true DE69200482D1 (en) 1994-11-10
DE69200482T2 DE69200482T2 (en) 1995-02-09

Family

ID=12071940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992600482 Expired - Fee Related DE69200482T2 (en) 1991-02-15 1992-02-13 Process for treating a solution used to regenerate a denitration catalyst.

Country Status (4)

Country Link
EP (1) EP0499351B1 (en)
JP (1) JP2994769B2 (en)
AU (1) AU642578B2 (en)
DE (1) DE69200482T2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08117559A (en) * 1994-10-25 1996-05-14 Mitsubishi Heavy Ind Ltd Denitration apparatus of coal burning boiler
DE19617081C2 (en) * 1996-04-29 2003-02-06 Kerr Mcgee Pigments Gmbh & Co Process for the production of mixed oxide powders from deactivated DENOX catalysts
DE19628212B4 (en) * 1996-07-12 2008-06-05 Enbw Energy Solutions Gmbh Process for purifying and / or regenerating completely or partially deactivated catalysts for denitrification of flue gases
DE19832057C1 (en) * 1998-07-16 2000-03-16 Siemens Ag Process for the regeneration of a deactivated catalyst
JP4578048B2 (en) 2002-06-21 2010-11-10 中国電力株式会社 Denitration catalyst regeneration method
US6929701B1 (en) 2003-06-03 2005-08-16 Scr-Tech Llc Process for decoating a washcoat catalyst substrate
US7559993B1 (en) 2003-06-03 2009-07-14 Scr-Tech Llc Process for decoating a washcoat catalyst substrate
CN103691492A (en) * 2014-01-15 2014-04-02 中国科学院宁波城市环境研究中心（筹） Method for synergy recycling of flue gas denitration catalyst
CN104857949A (en) * 2015-04-24 2015-08-26 江苏龙源催化剂有限公司 Indirect regeneration denitration catalyst and preparation method thereof
CN105314771A (en) * 2015-12-01 2016-02-10 苏州华乐大气污染控制科技发展有限公司 SCR denitration catalyst regenerated waste liquid treatment device
CN106268977A (en) * 2016-08-08 2017-01-04 山东东佳集团股份有限公司 Utilize the garbage after petroleum coke combustion to waste denitration catalyst regeneration method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6048147A (en) * 1983-08-25 1985-03-15 Mitsubishi Heavy Ind Ltd Activating method of catalyst
EP0161206A3 (en) * 1984-04-03 1987-11-04 Mitsubishi Jukogyo Kabushiki Kaisha Method for regenerating a denitration catalyst
DE3539001C1 (en) * 1985-11-02 1986-09-11 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen Process for reducing the nitrogen oxide content in the flue gas stream of a power plant boiler with flue gas cleaning system

Also Published As

Publication number Publication date
DE69200482T2 (en) 1995-02-09
AU642578B2 (en) 1993-10-21
AU1093892A (en) 1992-08-20
EP0499351A1 (en) 1992-08-19
EP0499351B1 (en) 1994-10-05
JP2994769B2 (en) 1999-12-27
JPH0699164A (en) 1994-04-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee